Product image of Osvaren (Magnesium Carbonate Heavy, Calcium Acetate) supplied by GNH India

Osvaren

Active Ingredient:
Magnesium Carbonate Heavy, Calcium Acetate
Origin:
EU

Osvaren (Magnesium Carbonate Heavy, Calcium Acetate)

Magnesium carbonate heavy, the active ingredient in Osvaren, is a mineral supplement presented as a solid oral dosage for gastrointestinal use. It helps to correct low magnesium levels and supports normal muscle and nerve function in adults. GNH India supplies Osvaren as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals and pharmacies worldwide.

GNH India supplies Osvaren as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals and pharmacies worldwide.

Manufacturer / TM Owner

Fresenius Medical Care Nephrologica Deutschland Gmbh

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Indications & Clinical Uses

Osvaren is used to address mineral deficiencies that affect the body's electrolyte balance.

  • Hypomagnesemia: Restores normal magnesium concentrations in patients with low serum magnesium.
  • Metabolic acidosis: Assists in neutralising excess acidity in the bloodstream.
  • Renal stone prevention: Provides magnesium that can bind calcium, reducing stone formation.

How It Works

  • Magnesium carbonate heavy dissociates in the gastric environment to release magnesium ions, which are absorbed through the intestinal mucosa. The liberated magnesium participates in enzymatic reactions, stabilises ATP, and acts as a calcium antagonist, helping to regulate neuromuscular excitability and acid‑base balance.

Side Effects

Adverse reactions to Osvaren are generally mild and related to its mineral nature.

Common Side Effects

  • Diarrhoea: Loose stools may occur, especially with higher doses.
  • Abdominal discomfort: Cramping or bloating can be reported.
  • Nausea: A feeling of queasiness may develop after ingestion.
  • Flatulence: Increased gas production is possible.
  • Constipation: Some patients may experience reduced bowel movements.

Serious or Rare Side Effects

  • Hypermagnesemia: Excessive magnesium levels can cause muscle weakness, low blood pressure, and cardiac arrhythmias.
  • Severe allergic reaction: Rash, itching, swelling, or difficulty breathing may indicate anaphylaxis.
  • Electrolyte imbalance: Marked shifts in calcium or potassium levels may occur.
  • Renal impairment exacerbation: Accumulation of magnesium in patients with reduced kidney function.
  • Metabolic acidosis worsening: Rarely, magnesium carbonate may affect acid‑base status.

Precautions & Warnings

When using Osvaren, consider the following safety measures:

  • Assess renal function: Impaired kidneys reduce magnesium clearance and increase toxicity risk.
  • Monitor serum electrolytes: Regular checks help detect hypermagnesemia or related imbalances.
  • Adjust dose in the elderly: Age‑related renal decline may require lower dosing.
  • Avoid concurrent laxatives: Combined use can amplify gastrointestinal side effects.
  • Review concomitant medications: Certain drugs (e.g., bisphosphonates) may interact with magnesium.
  • Store at ambient temperature: Keep below 25°C in the original container, protected from moisture.

Avoid Interactions

Osvaren may interact with several medicines, requiring attention to avoid reduced efficacy or increased toxicity.

Major Interactions (Avoid)

  • Bisphosphonates: Magnesium can impair oral absorption of bisphosphonates, reducing their effectiveness.
  • Tetracycline antibiotics: Co‑administration lowers tetracycline absorption, risking treatment failure.
  • Potassium‑sparing diuretics: Combined use may precipitate hypermagnesemia.

Moderate Interactions (Monitor Closely)

  • Calcium supplements: High calcium intake can compete with magnesium absorption.
  • Cardiac glycosides: Magnesium may potentiate effects on cardiac conduction.
  • Proton pump inhibitors: Altered gastric pH can affect magnesium dissolution and uptake.

Frequently Asked Questions

Osvaren is a magnesium carbonate preparation that is used to correct low magnesium levels (hypomagnesemia), support normal muscle and nerve function, and assist in managing conditions such as metabolic acidosis and renal stone prevention where magnesium supplementation is indicated.

Magnesium carbonate heavy dissociates in the stomach, releasing magnesium ions that are absorbed in the intestine. The magnesium participates in many enzymatic reactions, helps stabilise ATP, acts as a calcium antagonist and contributes to maintaining normal acid‑base balance and neuromuscular excitability.

The dose of Osvaren is determined by the prescribing healthcare professional based on the patient’s serum magnesium level, renal function and clinical condition. The prescriber will set the appropriate strength and frequency for each individual case.

Magnesium carbonate is classified as a pregnancy category C substance, meaning risk cannot be ruled out. It should only be used during pregnancy or lactation if the potential benefit justifies the potential risk, and under close medical supervision.

To order Osvaren, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any required import documentation.

Osvaren provides magnesium in the carbonate form, which has a higher elemental magnesium content than some other salts such as magnesium oxide. It also offers a buffering effect that can help neutralise excess acidity, whereas other forms may be better suited for rapid absorption or specific gastrointestinal tolerability.

Osvaren should be stored at ambient temperature, preferably below 25 °C, in its original packaging to protect it from moisture and light. No refrigeration is required, but the product should be kept in a dry place away from direct heat.

Osvaren is taken orally, usually with water. It may be taken with meals or as directed by the prescribing clinician, depending on the therapeutic goal and the patient’s tolerance.

The most serious risks include hypermagnesemia, which can cause muscle weakness, low blood pressure, cardiac arrhythmias, and in rare cases, severe allergic reactions such as anaphylaxis. Patients with renal impairment are at higher risk and should be monitored closely.

Osvaren should be avoided in patients with known hypersensitivity to magnesium carbonate, severe renal failure, or those already experiencing hypermagnesemia. Caution is also advised for individuals taking medications that significantly interact with magnesium.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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